Home / 989,815.50-1,365,949.04-537,106.50

Finding the Fourth Proportional to 989,815.50, 1,365,949.04 and 537,106.50

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Solution

The fourth proportional to 989,815.50, 1,365,949.04 and 537,106.50 is: 741,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,815.50 : 1,365,949.04 = 537,106.50 : x
  2. Step 2: Convert to fraction form
    989,815.50/1,365,949.04 = 537,106.50/x
  3. Step 3: Cross multiply
    989,815.50x = 1,365,949.04 × 537,106.50
  4. Step 4: Simplify right side
    989,815.50x = 733,660,105,367.23
  5. Step 5: Solve for x
    x = 733,660,105,367.23/989,815.50
  6. Step 6: Final answer
    x = 741,208.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.